National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

54°F

12°C

Humidity 87%
Wind Speed Calm
Barometer 30.28 in (1025.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 24 Dec 6:53 am EST
Extended Forecast for

3 Miles NE Chattanooga TN

  • Today

    Today: Partly sunny, with a high near 71. Calm wind.

    High: 71 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Cloudy

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.

    High: 72 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 72. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm after midnight.

    Low: 61 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 75 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 71.

    High: 71 °F

    Slight Chance
    Showers then
    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 71. Calm wind.
Tonight
Mostly cloudy, with a low around 57. Calm wind.
Christmas Day
Partly sunny, with a high near 72. Calm wind becoming west around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 58. Calm wind.
Friday
Mostly cloudy, with a high near 72. South wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 61. Southwest wind around 5 mph becoming calm after midnight.
Saturday
Mostly cloudy, with a high near 75. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 60.
Sunday
A 50 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 71.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NE Chattanooga TN
 35.09°N 85.21°W (Elev. 705 ft)
Last Update:
6:06 am EST Dec 24, 2025
Forecast Valid:
7am EST Dec 24, 2025-6pm EST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation